*** CHEMICAL IDENTIFICATION ***

RTECS NUMBER            : XI3760000
CHEMICAL NAME           : 1,3,4-Thiadiazole,
                          2-(N,N'-dimethylureido)-5-trifluoromethyl-
CAS REGISTRY NUMBER     : 25366-23-8
BEILSTEIN REFERENCE NO. : 0806900
LAST UPDATED            : 199612
DATA ITEMS CITED        : 6
MOLECULAR FORMULA       : C6-H7-F3-N4-O-S
MOLECULAR WEIGHT        : 240.23
WISWESSER LINE NOTATION : T5NN DSJ CXFFF EMVN1&1
COMPOUND DESCRIPTOR     : Agricultural Chemical
                          Reproductive Effector
SYNONYMS/TRADE NAMES :
   * N,N'-Dimethyl-N-(5-trifluoromethyl-1,3,4-thiadiazol-2-yl)urea
   * 2-(N,N'-Dimethylureido)-5-trifluoromethyl-1,3,4-thiadiazole
   * 1,3-Dimethyl-1-(5-trifluoromethyl-1,3,4-thiadiazol-2-yl)urea
   * Dmttu
   * Erbotan
   * GS 29296
   * Thiazafluron
   * Thiazfluron
 
                       *** HEALTH HAZARD DATA ***
 
                        ** ACUTE TOXICITY DATA **
 
TYPE OF TEST            : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE       : Oral
SPECIES OBSERVED        : Rodent - rat
DOSE/DURATION           : 278 mg/kg
TOXIC EFFECTS :
   Details of toxic effects not reported other than lethal dose value
REFERENCE :
   PEMNDP Pesticide Manual.  (The British Crop Protection Council, 20 Bridport
   Rd., Thornton Heath CR4 7QG, UK)  V.1-    1968-  Volume(issue)/page/year:
   9,811,1991
 
TYPE OF TEST            : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE       : Administration onto the skin
SPECIES OBSERVED        : Rodent - rat
DOSE/DURATION           : >2150 mg/kg
TOXIC EFFECTS :
   Details of toxic effects not reported other than lethal dose value
REFERENCE :
   PEMNDP Pesticide Manual.  (The British Crop Protection Council, 20 Bridport
   Rd., Thornton Heath CR4 7QG, UK)  V.1-    1968-  Volume(issue)/page/year:
   9,811,1991
 
TYPE OF TEST            : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE       : Oral
SPECIES OBSERVED        : Rodent - mouse
DOSE/DURATION           : 630 mg/kg
TOXIC EFFECTS :
   Details of toxic effects not reported other than lethal dose value
REFERENCE :
   85JFAN "Agrochemicals Handbook," with updates, Hartley, D., and H. Kidd,
   eds., Nottingham, Royal Soc. of Chemistry, 1983-86 Volume(issue)/page/year:
   A392,1983
 
                 ** OTHER MULTIPLE DOSE TOXICITY DATA **
 
TYPE OF TEST            : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE       : Oral
SPECIES OBSERVED        : Rodent - rat
DOSE/DURATION           : 3276 mg/kg/13W-C
TOXIC EFFECTS :
   Brain and Coverings - recordings from specific areas of CNS
   Related to Chronic Data - death
   Related to Chronic Data - changes in ovarian weight
REFERENCE :
   NNGADV Nippon Noyaku Gakkaishi.  Journal of the Pesticide Science Society of
   Japan.  (Nippon Noyaku Gakkai, 1-43-11, Komagome, Toshima-ku, Tokyo 170,
   Japan)  V.1-    1976-  Volume(issue)/page/year: 18,S225,1993
 
                          ** REPRODUCTIVE DATA **
 
TYPE OF TEST            : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE       : Oral
SPECIES OBSERVED        : Rodent - rat
DOSE                    : 100 mg/kg
SEX/DURATION            : female 6-15 day(s) after conception
TOXIC EFFECTS :
   Reproductive - Effects on Embryo or Fetus - fetotoxicity (except death,
   e.g., stunted fetus)
   Reproductive - Effects on Embryo or Fetus - other effects to embryo
REFERENCE :
   NNGADV Nippon Noyaku Gakkaishi.  Journal of the Pesticide Science Society of
   Japan.  (Nippon Noyaku Gakkai, 1-43-11, Komagome, Toshima-ku, Tokyo 170,
   Japan)  V.1-    1976-  Volume(issue)/page/year: 18,S225,1993
 
TYPE OF TEST            : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE       : Oral
SPECIES OBSERVED        : Rodent - rat
DOSE                    : 200 mg/kg
SEX/DURATION            : female 6-15 day(s) after conception
TOXIC EFFECTS :
   Reproductive - Fertility - post-implantation mortality (e.g. dead and/or
   resorbed implants per total number of implants)
REFERENCE :
   NNGADV Nippon Noyaku Gakkaishi.  Journal of the Pesticide Science Society of
   Japan.  (Nippon Noyaku Gakkai, 1-43-11, Komagome, Toshima-ku, Tokyo 170,
   Japan)  V.1-    1976-  Volume(issue)/page/year: 18,S225,1993
 
                            *** END OF RECORD ***